/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2002 Chris Schoeneman
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 * 
 * This package is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "io/XIO.h"
#include "base/XBase.h"
#include "base/String.h"
#include "common/basic_types.h"

//! Generic socket exception
XBASE_SUBCLASS(XSocket, XBase);

//! Socket bad address exception
/*!
Thrown when attempting to create an invalid network address.
*/
class XSocketAddress : public XSocket {
public:
	//! Failure codes
	enum EError {
		kUnknown,		//!< Unknown error
		kNotFound,		//!< The hostname is unknown
		kNoAddress,		//!< The hostname is valid but has no IP address
		kUnsupported,	//!< The hostname is valid but has no supported address
		kBadPort		//!< The port is invalid
	};

	XSocketAddress(EError, const String& hostname, int port) _NOEXCEPT;
	virtual ~XSocketAddress() _NOEXCEPT { }

	//! @name accessors
	//@{

	//! Get the error code
	EError				getError() const throw();
	//! Get the hostname
	String				getHostname() const throw();
	//! Get the port
	int					getPort() const throw();

	//@}

protected:
	// XBase overrides
	virtual String		getWhat() const throw();

private:
	EError				m_error;
	String				m_hostname;
	int					m_port;
};

//! I/O closing exception
/*!
Thrown if a stream cannot be closed.
*/
XBASE_SUBCLASS_FORMAT(XSocketIOClose, XIOClose);

//! Socket cannot bind address exception
/*!
Thrown when a socket cannot be bound to an address.
*/
XBASE_SUBCLASS_FORMAT(XSocketBind, XSocket);

//! Socket address in use exception
/*!
Thrown when a socket cannot be bound to an address because the address
is already in use.
*/
XBASE_SUBCLASS(XSocketAddressInUse, XSocketBind);

//! Cannot connect socket exception
/*!
Thrown when a socket cannot connect to a remote endpoint.
*/
XBASE_SUBCLASS_FORMAT(XSocketConnect, XSocket);

//! Cannot create socket exception
/*!
Thrown when a socket cannot be created (by the operating system).
*/
XBASE_SUBCLASS_FORMAT(XSocketCreate, XSocket);
